CVE-2023-20588

mediumpriority · track · 26EPSS 0.112 · 96 %ileDEEURUUS

grimoire priorityP1 · Urgent

Exploitable?

—

no known exploitation

Likely / severe?

11.2% (96th) EPSS

CVSS 5.5 · medium

Is it mine?

97 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

A division-by-zero error on some AMD processors can potentially return speculative data resulting in loss of confidentiality.

cvss

Technical severity, 0–10. One row per scoring source.

5.5

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.15.5mediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:Nprimary · NVD / NIST USexploitability 1.8 · impact 3.6

v3.15.5mediumAV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:Nsecondary · FSTEC (BDU) RU

v3.15.1mediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-369USprimaryCWE-369US

affected products (97)

Products and version ranges known to be affected.

AMD Prozessorall versionscert_bundDEcpe:/h:amd:amd_processor:-
Amazon Linux 2all versionscert_bundDEcpe:/o:amazon:linux_2:-
Citrix Systems XenServerall versionscert_bundDEcpe:/a:citrix:xenserver:-
Debian Linuxall versionscert_bundDEcpe:/o:debian:debian_linux:-
Dell BIOSall versionscert_bundDEcpe:/h:dell:bios:-
Dell NetWorker vProxy<19.10all versionscert_bundDE
Dell NetWorker vProxy<19.9.0.4all versionscert_bundDE
Fedora Linuxall versionscert_bundDEcpe:/o:fedoraproject:fedora:-
HP BIOS UEFI Firmwareall versionscert_bundDEcpe:/h:hp:bios:uefi_firmware
HP Computerall versionscert_bundDEcpe:/h:hp:computer:-
HPE ProLiantall versionscert_bundDEcpe:/h:hp:proliant:-
IBM QRadar SIEM 7.5all versionscert_bundDEcpe:/a:ibm:qradar_siem:7.5
IGEL OSall versionscert_bundDEcpe:/o:igel:os:-
Lenovo BIOSall versionscert_bundDEcpe:/h:lenovo:bios:-
Lenovo Computerall versionscert_bundDEcpe:/h:lenovo:computer:-
Nutanix AHVall versionscert_bundDEcpe:/o:nutanix:ahv:-
Open Source CentOSall versionscert_bundDEcpe:/o:centos:centos:-
Open Source Xenall versionscert_bundDEcpe:/o:xen:xen:-
Oracle Linuxall versionscert_bundDEcpe:/o:oracle:linux:-
Red Hat Enterprise Linuxall versionscert_bundDEcpe:/o:redhat:enterprise_linux:-

showing 20 of 97

advisories (2)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2023-2001AMD Prozessoren: Mehrere SchwachstellenDeutsch2023-08-08csaf · cert_bundDE
Ein lokaler Angreifer kann mehrere Schwachstellen in AMD Prozessoren ausnutzen, um beliebigen Programmcode auszuführen oder Informationen offenzulegen.
WID-SEC-W-2023-3137Microsoft Windows: Mehrere SchwachstellenDeutsch2023-12-12csaf · cert_bundDE
Ein lokaler oder entfernter, anonymer Angreifer kann mehrere Schwachstellen in verschiedenen Versionen von Microsoft Windows und Microsoft Windows Server ausnutzen, um Informationen zu fälschen oder offenzulegen, um einen Denial of Service Zustand herbeizuführen, um Code auszuführen und um Systemrechte zu erlangen.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund NVD CVE.org MITRE

published 2023-08-08modified 2026-06-17

related (580)

Related entries.

ID	severity	EPSS	exploitable	published
CVE-2012-0207US	high7.5	20.3% (97th)	Exploit	2012-05-17
The igmp_heard_query function in net/ipv4/igmp.c in the Linux kernel before 3.2.1 allows remote attackers to cause a denial of service (divide-by-zero error and panic) via IGMP pac…
CVE-2017-11720US	critical9.8	2.49% (85th)	—	2017-07-28
There is a division-by-zero vulnerability in LAME 3.99.5, caused by a malformed input file.
CVE-2017-8537US	medium5.5	16.8% (97th)	Exploit	2017-05-26
The Microsoft Malware Protection Engine running on Microsoft Forefront and Microsoft Defender on Microsoft Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows S…
CVE-2017-8536US	medium5.5	16.8% (97th)	Exploit	2017-05-26
The Microsoft Malware Protection Engine running on Microsoft Forefront and Microsoft Defender on Microsoft Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows S…
CVE-2017-8535US	medium5.5	16.8% (97th)	Exploit	2017-05-26
The Microsoft Malware Protection Engine running on Microsoft Forefront and Microsoft Defender on Microsoft Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows S…

+575 more

references (100)

External citations — patches, advisories, analysis.

scry

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